//
//  WBVisitorView.swift
//  weiboswift
//
//  Created by dingzhibing on 2017/3/16.
//  Copyright © 2017年 dingzhibing. All rights reserved.
//

import UIKit

//访客视图
//使用字典设置访客视图的信息
/// -param dict: [imageName / message]
//如果是首页 imageName = ""
class WBVisitorView: UIView {
    //注册按钮
    lazy var registerButton:UIButton = UIButton.textButton(title: "注册", fontSize: 16, normalColor: UIColor.orange, highlightedColor: UIColor.black,backgroundImageName: "common_button_white_disable")
    //登录按钮
    lazy var loginButton:UIButton = UIButton.textButton(title: "登录", fontSize: 16, normalColor: UIColor.darkGray, highlightedColor: UIColor.black,backgroundImageName: "common_button_white_disable")
    //访客视图的信息字典
    var visitorInfo : [String:String]? {
        didSet{
            //1 取字典信息
            guard let imageName = visitorInfo?["imageName"],
                let message = visitorInfo?["message"] else{
                    return
            }
            
            //设置信息
            tipLabel.text = message
            
            //设置图像 首页不需要设置
            if imageName == "" {
                startAnimation()
                return
            }
            
            iconView.image = UIImage(named:imageName)
            
            //其他页面访客视图不需要小房子和遮罩视图
            houseIconView.isHidden = true
            maskIconView.isHidden = true
        }
    }
    
    
    //MARK: -构造函数
    override init(frame: CGRect) {
        super.init(frame: frame)
        setupUI()
    }
    
    required init?(coder aDecoder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }
    
    private func startAnimation(){
        let anim = CABasicAnimation(keyPath:"transform.rotation")
        
        anim.toValue = 2 * Double.pi
        anim.repeatCount = MAXFLOAT
        anim.duration = 15
        
        // 动画完成不删除，如果iconview 被释放， 动画会一起销毁
        // 设置连续播放的动画非常有用
        anim.isRemovedOnCompletion = false
        //将动画添加到图层
        iconView.layer.add(anim, forKey: nil)
    }
    
    //MARK: - 设置访客视图信息
    //使用字典设置访客视图的信息
    /// -param dict: [imageName / message]
    //如果是首页 imageName = ""
//    func setupInfo(dict:[String:String]){
//        //1 取字典信息
//        guard let imageName = dict["imageName"],
//        let message = dict["message"] else{
//            return
//        }
//        
//        //设置信息
//        tipLabel.text = message
//        
//        //设置图像 首页不需要设置
//        if imageName == "" {
//            return
//        }
//        
//        iconView.image = UIImage(named:imageName)
//    }
//    
    //MARK : 私有控件
    //图像视图
    fileprivate lazy var iconView:UIImageView = UIImageView(image:UIImage(named: "visitordiscover_feed_image_smallicon"))
    
    //遮罩图像  - 不要使用maskView 重名
    fileprivate lazy var maskIconView:UIImageView = UIImageView(image: UIImage(named: "visitordiscover_feed_mask_smallicon"))
    
    //小房子
    fileprivate lazy var houseIconView:UIImageView = UIImageView(image:UIImage(named: "visitordiscover_feed_image_house"))
    //提示标签
//    fileprivate lazy var tipLable:UILabel = UILabel.cz_label(
//        withText: "关注一些人，回这里看看有什么惊喜关注一些人，回这里看看有什么惊喜",
//        fontSize: 14,
//        color: UIColor.darkGray)
    fileprivate lazy var tipLabel:UILabel = UILabel.cz_label(
        withText: "关注一些人，回这里看看有什么惊喜关注一些人，回这里看看有什么惊喜",
        fontSize: 14,
        color: UIColor.darkGray)
}

extension WBVisitorView{
    func setupUI(){
        backgroundColor = UIColor.cz_color(withHex: 0xEDEDED)
        
        //添加控件
        addSubview(iconView)
        addSubview(maskIconView)
        addSubview(houseIconView)
        addSubview(tipLabel)
        addSubview(registerButton)
        addSubview(loginButton)
        
        //文本剧中
        tipLabel.textAlignment = .center
        
        //取消autoresizing  手动布局用的是autoresizing
        for v in subviews{
            v.translatesAutoresizingMaskIntoConstraints = false
        }
        
        //自动布局
        let margin:CGFloat = 20.0
        //图像视图
        addConstraint(NSLayoutConstraint(item: iconView, attribute: .centerX, relatedBy: NSLayoutRelation.equal, toItem: self, attribute: NSLayoutAttribute.centerX, multiplier: 1.0, constant: 0))
        
        addConstraint(NSLayoutConstraint(item: iconView, attribute: .centerY, relatedBy: NSLayoutRelation.equal, toItem: self, attribute: NSLayoutAttribute.centerY, multiplier: 1.0, constant: -60))
        
        //小房子
        addConstraint(NSLayoutConstraint(item: houseIconView, attribute: NSLayoutAttribute.centerX, relatedBy: NSLayoutRelation.equal, toItem: iconView, attribute: NSLayoutAttribute.centerX, multiplier: 1.0, constant: 0))
        addConstraint(NSLayoutConstraint(item: houseIconView, attribute: NSLayoutAttribute.centerY, relatedBy: NSLayoutRelation.equal, toItem: iconView, attribute: NSLayoutAttribute.centerY, multiplier: 1.0, constant: 0))
        
        //提示标签
        addConstraint(NSLayoutConstraint(item: tipLabel,
                                         attribute: NSLayoutAttribute.centerX,
                                         relatedBy: NSLayoutRelation.equal,
                                         toItem: iconView,
                                         attribute: NSLayoutAttribute.centerX,
                                         multiplier: 1.0, constant: 0))
        addConstraint(NSLayoutConstraint(item: tipLabel,
                                         attribute: .top,
                                         relatedBy: NSLayoutRelation.equal,
                                         toItem: iconView,
                                         attribute: NSLayoutAttribute.bottom,
                                         multiplier: 1.0,
                                         constant: margin))
        addConstraint(NSLayoutConstraint(item: tipLabel,
                                         attribute: NSLayoutAttribute.width,
                                         relatedBy: NSLayoutRelation.equal,
                                         toItem: nil,
                                         attribute: NSLayoutAttribute.notAnAttribute,
                                         multiplier: 1.0,
                                         constant: 236))
        //注册按钮
//        addConstraint(NSLayoutConstraint(item: registerButton,
//                                         attribute: .left,
//                                         relatedBy: NSLayoutRelation.equal,
//                                         toItem: tipLabel,
//                                         attribute: NSLayoutAttribute.left,
//                                         multiplier: 1.0,
//                                         constant: 0 ))
//        
//        addConstraint(NSLayoutConstraint(item: registerButton,
//                                         attribute: .top,
//                                         relatedBy: NSLayoutRelation.equal,
//                                         toItem: tipLabel,
//                                         attribute: NSLayoutAttribute.bottom,
//                                         multiplier: 1.0,
//                                         constant: margin))
//        
//        addConstraint(NSLayoutConstraint(item: registerButton,
//                                         attribute: NSLayoutAttribute.width,
//                                         relatedBy: NSLayoutRelation.equal,
//                                         toItem: nil,
//                                         attribute: NSLayoutAttribute.notAnAttribute,
//                                         multiplier: 1.0,
//                                         constant: 100))
        addConstraint(NSLayoutConstraint(item: registerButton,
                                         attribute: .left,
                                         relatedBy: NSLayoutRelation.equal,
                                         toItem: self,
                                         attribute: NSLayoutAttribute.left,
                                         multiplier: 1.0,
                                         constant: 20 ))
        
        addConstraint(NSLayoutConstraint(item: registerButton,
                                         attribute: .right,
                                         relatedBy: NSLayoutRelation.equal,
                                         toItem: self,
                                         attribute: NSLayoutAttribute.centerX,
                                         multiplier: 1.0,
                                         constant: -10 ))
        
        addConstraint(NSLayoutConstraint(item: registerButton,
                                         attribute: .top,
                                         relatedBy: NSLayoutRelation.equal,
                                         toItem: tipLabel,
                                         attribute: NSLayoutAttribute.bottom,
                                         multiplier: 1.0,
                                         constant: margin))
        
//        addConstraint(NSLayoutConstraint(item: registerButton,
//                                         attribute: NSLayoutAttribute.width,
//                                         relatedBy: NSLayoutRelation.equal,
//                                         toItem: nil,
//                                         attribute: NSLayoutAttribute.notAnAttribute,
//                                         multiplier: 1.0,
//                                         constant: 100))
        
        //登录按钮
        addConstraint(NSLayoutConstraint(item: loginButton,
                                         attribute: .left,
                                         relatedBy: NSLayoutRelation.equal,
                                         toItem: self,
                                         attribute: NSLayoutAttribute.centerX,
                                         multiplier: 1.0,
                                         constant: 10 ))
        
        addConstraint(NSLayoutConstraint(item: loginButton,
                                         attribute: .right,
                                         relatedBy: NSLayoutRelation.equal,
                                         toItem: self,
                                         attribute: NSLayoutAttribute.right,
                                         multiplier: 1.0,
                                         constant: -20 ))
        
        addConstraint(NSLayoutConstraint(item: loginButton,
                                         attribute: .top,
                                         relatedBy: NSLayoutRelation.equal,
                                         toItem: tipLabel,
                                         attribute: NSLayoutAttribute.bottom,
                                         multiplier: 1.0,
                                         constant: margin))
        
        //遮罩图像
        //views: 定义vfl 中控件名称和实际名称的映射关系
        let viewDict:[String:Any] = ["maskIconView":maskIconView,
                        "registerButton":registerButton]
        
        //metrics: 定义VFL中（）指定的常数映射关系
        let metrics = ["spacing":-35]
        addConstraints(NSLayoutConstraint.constraints(
            withVisualFormat: "H:|-0-[maskIconView]-0-|",
            options: [],
            metrics: nil,
            views: viewDict))
        
        addConstraints(NSLayoutConstraint.constraints(
            withVisualFormat: "V:|-0-[maskIconView]-(spacing)-[registerButton]",
            options: [],
            metrics: metrics,
            views: viewDict))
    }
}
